FKIE_CVE-2016-2090

Vulnerability from fkie_nvd - Published: 2017-01-13 16:59 - Updated: 2026-06-17 00:43
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/01/28/5Mailing List, Third Party Advisory
cve@mitre.orghttps://blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-libbsd.htmlThird Party Advisory
cve@mitre.orghttps://bugs.freedesktop.org/show_bug.cgi?id=93881Issue Tracking, Third Party Advisory
cve@mitre.orghttps://cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de726d7ff7Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/12/msg00036.htmlThird Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KJE5SPSX7HEKLZ34LUTZLXWPEL2K353/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIQKQ42Z7553D46QY3IMIQKS52QTNIHY/
cve@mitre.orghttps://security.gentoo.org/glsa/201607-13Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4243-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/01/28/5Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-libbsd.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.freedesktop.org/show_bug.cgi?id=93881Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de726d7ff7Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/12/msg00036.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KJE5SPSX7HEKLZ34LUTZLXWPEL2K353/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIQKQ42Z7553D46QY3IMIQKS52QTNIHY/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201607-13Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4243-1/Third Party Advisory
Impacted products
Vendor Product Version
fedoraproject fedora 24
fedoraproject fedora 25
freedesktop libbsd *
debian debian_linux 8.0
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.04
To clipboard 

{
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  "cveTags": [],
  "descriptions": [
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      "value": "Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de error por un paso en la funci\u00f3n fgetwln en libbsd en versiones anteriores a 0.8.2 permite a atacantes tener un impacto no especificado a trav\u00e9s de vectores desconocidos, lo que desencadena un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."
    }
  ],
  "id": "CVE-2016-2090",
  "lastModified": "2026-06-17T00:43:25.233",
  "metrics": {
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        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2017-01-13T16:59:00.167",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.